General Specification Electrical Function gmw3110 General Motors Local Area Network Enhanced Diagnostic Test Mode Specification

Figure E2: Non-Latching DTC (2 of 2) 
WIRS
CDTCSPU
TNPSCPU
HDTC
TFSDTCC
TNPSDTCC
CDTC
DTCSBC
1
1
1
0
0
0
0
F
ir
s
t 
T
im
e
P
o
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p
0
0
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1
0
0
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$25
1
0
1
0
1
$01
0
0
0
0
0
0
0
0
1
$01
0
0
1
0
0
0
0
1
$21
0
0
0
0
0
0
0
1
$01
1
1
0
1
1
0
1
1
$DB
1
0
0
1
1
1
1
1
0
0
1
1
1
1
$DB
$BB
1
1
1
1
0
1
1
$FB
1
$59
1
0
1
1
0
0
0
1
1
1
1
1
0
0
0
0
1
$19
1
1
$59
$39
0
0
1
0
0
0
0
0
1
0
0
1
0
0
0
1
0
0
1
0
0
0
0
0
1
$01
0
1
$25
1
1
1
1
0
1
$DB
1
1
0
1
1
0
1
1
0
$DB
1
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Power Cycle #1
Power Cycle #2
Power Cycle #3
Power Cycle #4
T
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R
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ils
E
C
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P
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D
o
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WIRS
CDTCSPU
TNPSCPU
HDTC
DTC Not Set
TFSDTCC
TNPSDTCC
History DTC
CDTC
DTCSBC
Current DTC, Warning Lamp On
1
1
0
0
0
1
1
0
$25
Power Cycle #6
1
1
1
1
$FF
0
0
1
$25
$25
1
0
1
0
1
1
0
0
0
0
0
0
0
1
1
1
0
0
1
1
0
0
1
1
1
1
1
1
0
0
0
1
0
$DB
$BB
1
1
1
$25
1
1
1
1
1
0
1
1
1
1
1
1
1
$FF
1
1
1
0
$BF
1
1
1
1
1
$FF
1
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D
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n
1
1
1
1
1
1
Power Cycle #5
EC
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D
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Power Cycle #7
T
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R
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February 2010 
Page 322 of 336 
Figure E3: Limited Duration Latching DTC (1 of 2) 
Figure E4: Limited Duration Latching DTC (2 of 2) 
WIRS
CDTCSPU
TNPSCPU
HDTC
TFSDTCC
TNPSDTCC
CDTC
DTCSBC
$DB
$DB
$39
$19
$25
$01
$DB
$39
$FB
$DB
$25
$01
$01
$21
$01
$DB
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
1
0
0
0
1
0
1
1
0
0
0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
0
1
0
0
0
1
1
1
1
0
1
1
1
1
0
0
0
0
0
1
1
1
1
0
0
1
1
1
1
0
0
1
1
0
0
0
0
0
0
1
0
1
0
1
1
0
1
0
0
1
0
0
1
0
0
0
0
0
1
1
1
0
0
1
1
0
0
0
0
0
1
1
1
0
0
1
1
0
1
0
0
0
0
0
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a
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a
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a
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F
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T
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Ru
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a
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F
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Power Cycle #1
Power Cycle #2
Power Cycle #3
Power Cycle #4
T
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Ru
n
s 
a
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d
P
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T
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a
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E
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P
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Up
E
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P
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Up
T
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st
Ru
n
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a
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d
F
a
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WIRS
CDTCSPU
TNPSCPU
HDTC
DTC Not Set
TFSDTCC
TNPSDTCC
History DTC
CDTC
DTCSBC
Current DTC, Warning Lamp On
$25
$25
$25
$FF
$FF
$3D
$FF
$DB
$39
$25
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
0
1
0
1
1
1
1
1
1
1
0
0
1
1
0
0
0
0
1
1
1
1
1
0
0
0
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
0
1
0
0
0
1
1
0
1
1
0
0
0
0
1
1
1
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Power Cycle #6
Power Cycle #5
Power Cycle #7
EC
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D
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0
1
0
0
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D
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--``,,``````,``,,``,,,`,`,`,,-`-`,,`,,`,`,,`---
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February 2010 
Page 323 of 336 
Figure E5: Permanently Latched DTC (1 of 2) 
Figure E6: Permanently Latched DTC (2 of 2) 
WIRS
CDTCSPU
TNPSCPU
HDTC
TFSDTCC
TNPSDTCC
CDTC
DTCSBC
T
e
st
Ru
n
s 
a
n
d
F
a
ils
Power Cycle #1
Power Cycle #2
Power Cycle #3
Power Cycle #4
T
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s 
a
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T
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T
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P
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Do
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1
1
0
0
0
1
1
0
0
0
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1
1
1
1
1
1
0
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0
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0
1
0
1
1
1
0
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0
1
0
0
1
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0
1
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1
0
1
1
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1
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1
1
1
1
1
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1
1
1
1
1
1
1
1
1
1
1
1
1
$25
$01
$01
$DB
$DB
$21
$01
$DB
$DB
$DB
$BB
$9B
$25
$01
$BB
$FB
WIRS
CDTCSPU
TNPSCPU
HDTC
DTC Not Set
TFSDTCC
TNPSDTCC
History DTC
CDTC
DTCSBC
Current DTC, Warning Lamp On
EC
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EC
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1
1
1
0
0
1
1
1
1
1
0
0
1
1
1
1
0
0
1
$DB
$BB
1
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1
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0
0
1
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1
1
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February 2010 
Page 324 of 336 
Figure E7: Powertrain Type A DTC (1 of 3) 
Figure E8: Powertrain Type A DTC (2 of 3) 
 
 
Status Byte Operation 
 
 
Figure E9: Powertrain Type A DTC (3 of 3) 
WIRS
CDTCSPU
TNPSCPU
HDTC
TFSDTCC
TNPSDTCC
CDTC
DTCSBC
$DB
$DB
$B9
$99
$25
$01
$BB
$FB
$D9
$D9
$21
$01
$DB
$DB
$25
$01
$01
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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1
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Power Cycle #3
Power Cycle #4
Power Cycle #1
Power Cycle #2
WIRS
CDTCSPU
TNPSCPU
HDTC
TFSDTCC
TNPSDTCC
CDTC
DTCSBC
Power Cycle #9
Power Cycle #7
Power Cycle #8
$99
$99
$B9
$99
1
1
1
1
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1
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$25
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$FF
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1
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1
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1
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1
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1
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EC
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Power Cycle #5
Power Cycle #6
WIRS
CDTCSPU
DTC Not Set
TNPSCPU
HDTC
History DTC
TFSDTCC
TNPSDTCC
History DTC, Warning Lamp On
CDTC
DTCSBC
Current DTC, Warning Lamp On
$39
$19
0
0
1
1
1
1
1
1
1
1
0
0
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0
0
0
1
0
1
1
1
1
1
1
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1
0
0
0
0
0
0
0
0
1
Power Cycle #10
T
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R
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Power Cycle #11
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